driver core: Silence device links sphinx warning

Silence this warning emitted by sphinx:
include/linux/device.h:938: warning: No description found for parameter 'links'

While at it, fix typos in comments of device links code.

Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Silvio Fricke <silvio.fricke@gmail.com>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Reviewed-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/base/core.c

@@ -172,7 +172,7 @@ static int device_reorder_to_tail(struct device *dev, void *not_used)
  *
  * The supplier device is required to be registered when this function is called
  * and NULL will be returned if that is not the case.  The consumer device need
- * not be registerd, however.
+ * not be registered, however.
  */
 struct device_link *device_link_add(struct device *consumer,
 				    struct device *supplier, u32 flags)
@@ -225,7 +225,7 @@ struct device_link *device_link_add(struct device *consumer,
 	INIT_LIST_HEAD(&link->c_node);
 	link->flags = flags;
 
-	/* Deterine the initial link state. */
+	/* Determine the initial link state. */
 	if (flags & DL_FLAG_STATELESS) {
 		link->status = DL_STATE_NONE;
 	} else {

include/linux/device.h

@@ -817,6 +817,7 @@ struct dev_links_info {
  * 		on.  This shrinks the "Board Support Packages" (BSPs) and
  * 		minimizes board-specific #ifdefs in drivers.
  * @driver_data: Private pointer for driver specific info.
+ * @links:	Links to suppliers and consumers of this device.
  * @power:	For device power management.
  * 		See Documentation/power/devices.txt for details.
  * @pm_domain:	Provide callbacks that are executed during system suspend,